Tony Breathnach, EI5EM
837 subscribers
10:08
Building the ATU-100 Automatic HF ATU
Tony Breathnach, EI5EM
362 views • 3 months ago
1:57
EGV-9B Tested on all Bands
Tony Breathnach, EI5EM
236 views • 4 months ago
8:43
Building the EGV-9B QRP CW Transceiver Kit
Tony Breathnach, EI5EM
1.5K views • 5 months ago
16:18
Review of EGV+V2 CW QRP Transceiver
Tony Breathnach, EI5EM
842 views • 9 months ago
6:12
Building the EGV+v2 CW Transceiver Kit
Tony Breathnach, EI5EM
971 views • 10 months ago
3:31
Building QRP Labs 50W Amplifier
Tony Breathnach, EI5EM
672 views • 1 year ago
8:35
An RF-activated Relay Project for the QRP Labs 50W amplifier
Tony Breathnach, EI5EM
732 views • 1 year ago
3:20
RF activated relay
Tony Breathnach, EI5EM
212 views • 1 year ago
3:41
EI5EM South Dublin Radio Club Presentation Videos
Tony Breathnach, EI5EM
156 views • 1 year ago
9:07
Refurbishing and Upgrading my Ten-Tec T-Kit 1320
Tony Breathnach, EI5EM
699 views • 1 year ago
3:33
RF Activated CW Sidetone Oscillator
Tony Breathnach, EI5EM
621 views • 2 years ago
7:11
A HF Antenna Switch Box for Four Inputs and Two Outputs (incorporating Morse key switching).
Tony Breathnach, EI5EM
1.6K views • 2 years ago
7:53
An Outboard Speaker Module for the QCX Mini CW QRP Transceiver
Tony Breathnach, EI5EM
2.1K views • 2 years ago
7:00
A Homebrew Active CW Filter
Tony Breathnach, EI5EM
1.6K views • 2 years ago
10:36
A Homemade Helical Bandpass Filter for the Two-Metre Amateur Radio Band
Tony Breathnach, EI5EM
8.6K views • 2 years ago
3:34
A 2m Bandpass filter for RF noisy SOTA sites.
Tony Breathnach, EI5EM
555 views • 2 years ago
5:36
Homebrew Spurious Noise Cancelling Unit
Tony Breathnach, EI5EM
449 views • 2 years ago
6:49
A Dual Band (20/40m) Short Fan Dipole using Loading Coils
Tony Breathnach, EI5EM
1.1K views • 2 years ago
11:40
A Homebrew 455 kHz BFO
Tony Breathnach, EI5EM
3.3K views • 3 years ago
7:31
An SWR Meter Project for HF
Tony Breathnach, EI5EM
1.4K views • 3 years ago
5:50
Dual Band Nested Dipoles for 40m and 30m Amateur Radio Bands
Tony Breathnach, EI5EM
935 views • 3 years ago
7:20
Sample CW QSO with Luis EA1FGN
Tony Breathnach, EI5EM
608 views • 3 years ago
5:40
A Homebrew Four Element 2 Metre Portable Yagi Antenna
Tony Breathnach, EI5EM
14K views • 3 years ago
3:46
A Morse Code Practice Oscillator
Tony Breathnach, EI5EM
1.5K views • 3 years ago
5:53
A Fun FM Radio Receiver Project
Tony Breathnach, EI5EM
1K views • 4 years ago
7:22
A Homebrew Magnetic Loop Antenna for 40m, 30m and 20m by Tony (EI5EM).
Tony Breathnach, EI5EM
12K views • 4 years ago
4:11
Forgetting The Corona Virus For A Few Hours In Glorious Dublin Sunshine
Tony Breathnach, EI5EM
715 views • 4 years ago
5:43
Variable Capacitor Control for a Magnetic Loop Antenna (MLA).
Tony Breathnach, EI5EM
2.1K views • 4 years ago
3:01
A Standalone 600Hz CW Audio Filter and Amplifier
Tony Breathnach, EI5EM
838 views • 4 years ago
3:07
A Simple, Inexpensive, Homebrew Touch-Sensitive Twin-Paddle Iambic Key for CW.
Tony Breathnach, EI5EM
2.2K views • 4 years ago
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